mirror of https://github.com/k3s-io/k3s
74 lines
2.4 KiB
Go
74 lines
2.4 KiB
Go
/*
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Copyright 2017 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package e2e_node
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import (
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"k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/kubernetes/test/e2e/framework"
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. "github.com/onsi/ginkgo"
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)
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var _ = framework.KubeDescribe("Docker features [Feature:Docker]", func() {
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f := framework.NewDefaultFramework("docker-feature-test")
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BeforeEach(func() {
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framework.RunIfContainerRuntimeIs("docker")
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})
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Context("when shared PID namespace is enabled", func() {
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It("processes in different containers of the same pod should be able to see each other", func() {
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// TODO(yguo0905): Change this test to run unless the runtime is
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// Docker and its version is <1.13.
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By("Check whether shared PID namespace is enabled.")
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isEnabled, err := isSharedPIDNamespaceEnabled()
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framework.ExpectNoError(err)
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if !isEnabled {
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framework.Skipf("Skipped because shared PID namespace is not enabled.")
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}
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By("Create a pod with two containers.")
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f.PodClient().CreateSync(&v1.Pod{
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ObjectMeta: metav1.ObjectMeta{Name: "shared-pid-ns-test-pod"},
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Spec: v1.PodSpec{
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Containers: []v1.Container{
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{
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Name: "test-container-1",
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Image: "gcr.io/google_containers/busybox:1.24",
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Command: []string{"/bin/top"},
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},
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{
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Name: "test-container-2",
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Image: "gcr.io/google_containers/busybox:1.24",
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Command: []string{"/bin/sleep"},
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Args: []string{"10000"},
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},
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},
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},
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})
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By("Check if the process in one container is visible to the process in the other.")
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pid1 := f.ExecCommandInContainer("shared-pid-ns-test-pod", "test-container-1", "/bin/pidof", "top")
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pid2 := f.ExecCommandInContainer("shared-pid-ns-test-pod", "test-container-2", "/bin/pidof", "top")
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if pid1 != pid2 {
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framework.Failf("PIDs are not the same in different containers: test-container-1=%v, test-container-2=%v", pid1, pid2)
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}
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})
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})
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})
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